"Extra's" very own Mark McGrath assembled an expert panel to find out what tops this year's hot list. To find out, you have to ask one simple question: what's sexy?

Victoria's Secret angels Adriana Lima, Alessandra Ambrosia and Izabel Goulart were in town causing flashbulb frenzy at the launch of their new lifestyle line. And they stopped by "Extra's" studio to tell Mark what is down-right sexy for 2006.

Sexiest Video: Jessica Simpson and "These Boots Are Made for Walkin." "Washing the car with the little jean shorts," they revealed, "That's always a classic."